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A seismic reading taken from instruments at the Manned Spacecraft Center (MSC) recording the impact of the Apollo 13 S-IVB/Instrument Unit with the lunar surface. The expended Saturn third stage and instrument unit slammed into the moon at 7:09 p.m. (CST), April 14, 1970. The location of the impact was at 2.4 degrees south latitude and 27.9 degrees west longitude, about 76 nautical miles west-northwest of the Apollo 12 Apollo Lunar Surface Experiments Package (ALSEP) deployment site. The S-IVB/IU impact was picked up by the Passive Seismic Experiment (PSE), a component of the Apollo 12 ALSEP, and transmitted to instruments at the Mission Control Center (MCC).